Base | Representation |
---|---|
bin | 111111000111111… |
… | …1011011001011111 |
3 | 12110121120212101011 |
4 | 1332033323121133 |
5 | 13314213322141 |
6 | 550102200051 |
7 | 103326410164 |
oct | 17617733137 |
9 | 5417525334 |
10 | 2118104671 |
11 | 997684431 |
12 | 4b1423027 |
13 | 279a89697 |
14 | 16144006b |
15 | c5e41881 |
hex | 7e3fb65f |
2118104671 has 2 divisors, whose sum is σ = 2118104672. Its totient is φ = 2118104670.
The previous prime is 2118104617. The next prime is 2118104687. The reversal of 2118104671 is 1764018112.
Together with previous prime (2118104617) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2118104671 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2118107671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059052335 + 1059052336.
It is an arithmetic number, because the mean of its divisors is an integer number (1059052336).
Almost surely, 22118104671 is an apocalyptic number.
2118104671 is a deficient number, since it is larger than the sum of its proper divisors (1).
2118104671 is an equidigital number, since it uses as much as digits as its factorization.
2118104671 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2688, while the sum is 31.
The square root of 2118104671 is about 46022.8711729288. The cubic root of 2118104671 is about 1284.2487134381.
The spelling of 2118104671 in words is "two billion, one hundred eighteen million, one hundred four thousand, six hundred seventy-one".
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